GB712 EH32 Plate Shipbuilding Steel

Grade EH32 under GB 712-2011 standard are applicable to the hull structure of ships in ocean, coastal and inland rivers. GB712-2011 EH32 shipbuilding steel plates also can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components. We can supply GB 712 EH32 shipbuilding steel plates with nine marine class certifications ABS, BV, LR, DNV, CCS, GL, NK, KR, and RINA class society.

Shapes: GB712 EH32 plate, GB 712 EH32 sheets, GB 712 EH32 coils, GB 712 EH32 steel angles, GB 712 EH32 H beams, GB 712 EH32 bulb flats

EH32 Shipbuilding Steel Plates Size

Thickness: 4mm to 150mm,

Width: 1200mm to 4000mm

Length: 3000mm to 18000mm

Grade EH32 Steel Chemical Composition in GB 712-2011 standard

Grade	The element content (%)
	C	Si	Mn	P	S	Als	N
GB 712 EH32	0.18 Max.	0.50 Max.	0.90-1.60	0.025 Max.	0.025 Max.	0.015 Min.	-
	Nb	V	Ti	Cu	Cr	Ni	Mo
	0.02-0.05	0.05-0.10	0.02 Max.	0.35 Max.	0.20 Max.	0.40 Max.	0.08 Max.

 Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 Grade EH32 Steel Mechanical Properties in GB 712-2011 standard

Grade		Mechanical Properties			Charpy V Impact Test
	Thickness	Yield	Tensile	Elongation	Degree	Energy 1	Energy 2
GB 712 EH32	mm	Min Mpa	Mpa	Min  %	0	KV₂/J	KV₂/J
	t≤50	315	450-570	22%		22	31
	50＜t≤70	315	450-570	22%		26	38
	70＜t≤150	315	450-570	22%		31	46
Note: Energy 1 is transverse impact test, Energy 2 is longitudinalimpact test

The GB 712-2011 standard specifies the classification and grade, order content, size, shape, weight and allowable deviation, requirements, inspection and test, packaging, marking and quality certificate of structural steel for ships and marine engineering. This standard is applicable to the manufacture of GB 712 EH32 steel plates with thickness of not more than 150 mm, GB 712 Grade EH32 shipbuilding steel sheets and strips less than 25.4 mm and GB 712 EH32 steel profiles with diameter not more than 50 mm for the navigation vessels, fishing vessels and marine engineering structures in the ocean, coastal and inland river navigation areas.